Product Name: Trafag 8781 Hybrid Gas Density Monitor
Brand: Trafag
Product Code: 8781
Tags: Trafag
8781 Hybrid
Density Monitor
Trafag Hybrid Gas Density Monitor
8781 Density
8781 Gas Density
Trafag Gas Density Monitor
Trafag 8781 Density
Trafag 8781 Hybrid Monitor
Gas Density
8781 Hybrid Density
Trafag 8781 Monitor
8781 Hybrid Gas
Density
Trafag 8781 Hybrid
Trafag Monitor
8781 Gas
Trafag Density Monitor
Hybrid Gas Monitor
Hybrid Monitor
Trafag Hybrid Density
Hybrid Gas Density Monitor
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ApplicationsHigh voltage switchgearCategoryHybrid gas density monitorsDielectric strengthMicroswitch: 2 kV terminal groundOutput signal sensor: 250V against mass (EN60255-5)Measuring principleMechanical monitoring: Principle: Reference gas measurementElectronic monitoring: Principle: Oscillating quartz measurementVibrationAt min. 5 kPa distance from switch point no contact bouncingunder 20...100 Hz: 4 gMedia temperature-40°C ... 80°CShock50g/ 8 msAmbient temperature-40°C ... 80°CSensor1.4435, 1.4404, 1.4571 (AISI316L, AISI316)ProtectionIP67Output signalMechanical monitoring: floating change-over contactElectronic monitoring/sensor: analogue: 6.5...20 mA current loopOutput signal 6.5...20 mAcurrent loop 0...0.85MPa absolute SF6 @ 20°C 0...56.1 kg SF6 /m3Measuring rangeMechanical monitoring, measuring range absolute: 0...1.1 MPa (0...1100 kPa)Electronic monitoring/sensor, measuring range absolute: 0...0.85MPa SF6 @ 20°C 0...56.1 kg SF6 /m3